Waugh, T. (2005). Power up your profits: 31 days to better selling. Hoboken, N.J: John Wiley & Sons.
शिकागो स्टाइल उद्धरणWaugh, Troy. Power Up Your Profits: 31 Days to Better Selling. Hoboken, N.J: John Wiley & Sons, 2005.
एमएलए उद्धरणWaugh, Troy. Power Up Your Profits: 31 Days to Better Selling. Hoboken, N.J: John Wiley & Sons, 2005.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.